The Lego Movie is getting a spin-off all about Will Arnett’s Batman. THR reports that Warner Bros. is fast-tracking the sequel, which will be directed by Lego Movie animation supervisor Chris McKay and written by Seth Grahame-Smith, with original Lego Movie team Phil Lord and Chris Miller signed on as producers. The spin-off is currently slated for a 2017 release after the next Lego film Ninjago in September 2016 and the Lego Movie sequel, which is expected to debut sometime after 2017.